Planooliaph co



A. M. DEMUTH.

COOKER.

APPucATioN man sEPT.13,191s.

Patented July l, 1919@ 2 SHEETS-SHEET I.

THB COLUMBIA PLANDGRAI'H co.. wAsHxNTON, D. c.

COUKER.

APPLICATION FILED SEPT. I3. 1916.

1,308,485. i u Patented July 1,` 1919.

l 2 SHEETS-SHEET 2.

v y El l 4? `39 7,-* f I 'I I II 4l s I II l I'I 36 I ,3,7 I I `i [QI 34 3. Q I 35 N uNiTsn sTATas PATENT ortica ALFRED ivi.- DEMUTri, `or sAN rRANcrsco, cALiFonNia, AssIGivoii. To JOHN A. KELLY,

. or CHICAGO, ILLINOIS.` y i i Application fiieiifsepiember 13, isis. serial No 113,357.

To all whom t may concern.' V 1 Be it known that I, ALFRED M. DEMU'TH, a citizen of the United States, residing at San Francisco, in the countyof San Fran cisco and `State of California, have invented new and useful Improvements in Cookers,

of which the following is a specification.` i

'Ihe object of the present invention isto provide an improved cooker by which edibles `can be cooked entirely initheir own juices and thereby retain their peculiar aroma and flavor. They will thus be of superior flavor and very tender,and will preserve' their original form" to a greater degree than before. i

In the accompanying drawings, Figure l is" a front view of my improved cooker; Fig.` 2 is a transverse sectional view thereofiFig. 3 is a longitudinal section on the `line 3`3 of Fig. 2; Fig. 4 is abroken sectionalview` showing a cooking vessel extended. Referring to the drawing, 1 `indicates `a rectangular boiler, inthe front wall 2'0f` chambers, there being" only a singleV lower chamber 3, which is almost of the` fullwidth of `the boiler, being spaced fromthe sides,

chambers 4, similarly spaced from the "sides andback of the boiler and from each ethern* The chambers 3, 4 are preferably formed with rounded edges `6 at the bottom. `Be`- sides being securedto the `front wall 2, `the lower chamber 3 is additionally supported by legs7 upon the bottom ofthe boiler, and the upperchambers 4are` supported by legs 8 upon the top of the chamber 3. i The'walls of these chambers are preferably formed of copper `on account of its great thermal conductivity.

Into said chambers are tted'removable cooking vessels 9, 10, preferably ofcopper oi' aluminum, and of such shapethat their bottoms, sides and rear 'ends `t` snugly against the corresponding walls fof ,they` chambers, so that the vessels will be heated by direct radiation from the chamber walls;` The front ends of the cooking vessels are,

however, spaced from the front "ends of the chambers, which latter ends are closed by i doors 11, hinged at the bottom,as1shown`at f Speeicatonot-Letters Patent. i

Patented July4 i, 1919.

12, to the front wallof the boiler, and each carrying a revoluble handle 13, towhichis attached a crossbar 14, the ends of which are pivotally attachedfto bolts 16 which en`` gagelkeepers 17 upon the front wall 2 adjacent to the marginal portions ofthe doors. By means of said bolts saiddoors can be closed against the front wall of the boiler at both their vertical edges. "Io the front wall immediately below the several doors `are `riveted angle irons 18, upon which the doors" can" rest in a `horizontal position when open sofas to form supports for the cooking vessels.

\ y The boiler is"closed at the top by a cover 19, having flanges 21 fitting closely within the upper edges of the walls of the boiler,

"and secured thereto by hinged clamp` bolts 22 and thumb nuts 23 thereon* It is providedwith handles 24 by which it may be raised andwith a filling opening 26 closed by a screw plug`27. It is also provided with a safetyvalve 28 for permitting the escape `of steam from the boiler, when said pressure becomes too high for safety, said steam `escaping by a flexibletube29 to any distant point;`

Itunay be found desirable to baste meat which is being cooked in a cooking vessel.`

` p Fonthispurpose the cooking vessel 3 is bottom and back ofthe boileraboutone or one `and `one-half inches," and two upper` forined at its front endwith a hole 31,closed by avalve 32, liavingastem 33 slidablefina stein and compressed between the upper end of the guideway and a collar 37 secured `upon the stem. `Said stem `is bent at right `vertical guideway 34 secured to the front end of the cooking vessel, said stem being depressed by a spring 36 coiled around the 90 3 be raised. When the valve is provided, the

1V top of the cooking vessel has extending `thereacross a dish-shaped cover 41 having therethrough" numerous minute perfora` tions 42 and ahandle 43 by which itmay be lifted from off the cooking vessel. On drawing out the cooking vessel into the" position, for instance, shown in Fig. 4, the juices of the `meat can be allowed to flow outwardly through thehole 3l, and can thenbe poured into the concaved cover`4l,"

and allowed to drip slowly over` the meat in the cooking vessel.

iio"

The position of the doors through which the cooking vessels are withdrawn is very advant-ageous because i'n-that posit-ion the cook scarcely notices the heat of the boilerv when opening the door to draw out the cooking vessel, whereas if the cooking vessel had to be withdrawn through the top of the boiler,4 the. cook would@ be much-`inconvenienced by the heat rising therefrom.

It will be seen that with this improved cooker, the. steam 'isxconned within the. vessels. and, does not escape into the. chambers, andgthe, ediblesare at no time subjectedto a temperature much higher than boiling point, sincetheconstruction of the boiler doesnot permitfit, to withstand apressure very much greater than atmospheric, and thesafetyivalvegis, therefore regulated accordingly A When. cooked4 lat, .this temperatureforyautlicient lengthL of time, it is found thatmeats andV other edibles better retaintheir` juices, iiavorand are much more tender. thaniwhen,subjected, toa high de@ gree of heat. Moreover, foods cooked by. this methodkeep Amuch longer.

Any. number kof chickens or fowl of any kind ileanbe perfectly vcooked at the same time, either. whole or in parts.` In either casethejnices which accumulate in thefbot tom of,the.cooking vessel. can bewithdrawn.

tainediwarmwtherein.until ready; to serve by.

keeping;v .the waterI in` the boiler moderately hoh.,`

Potatoescan be,v cooked either.. whole or in .pieee sI and can .befmashed in the usual manner, .by pouring over them .milk or cream.

GrreenA corn canbefcooked on..or oftthe Cob. Peaches, apples, pears. plums and other; fruitscan be,cooked either whole or in piecesm Strawberries .and other berries cookedinthis mannerretain their, original i shape andk appearance intact,7 andnot cooked more or,-less,.,1nto .shreds asf would be Vthe case. if cooked `1n water.

Hamssan'd shoulders, can .be cooked-either with the bone or without.Y it.y In case the boneis removed, it is replaced eby a small` quantity lofgelatin. andfsugar, which have the.. eect :of v knittingr binding the meat together inthe processlof cooking, sothat it does notfall l.apartwhen sliced..3 The ham is yth en;. pr.esserl, .shaped ,and tied upI ready forfvcooking.; By. this :arrangement the ham retains.itsjuices and-aroma andis of a quality superior to that offone cookedby the lsystem in which the hams are pressed in shape during the process of'cooking by applying a presser plate by means of set screws, since by the latter method too much pressure may be applied, as the pressure is applied merely by guess work. In such case, the juices or essence of the ham is forced out and it is rendered practically tasteless.

I claim 1. In a cooker, the combination of a boiler having an openingin one wall'. thereof, a doormovably secured to said wall andiclosing said opening, means for filling said boilery with water, a chamber extending into said boiler and closed except at said opening andthe walls of which are secured toisaid wall around said opening, and a-cooking. vessel movable into said chamber through said opening, said vessel iittingsnugly within the chamber and with the walls ofthe vessel contacting with the chamber walls, theavall ofthe chamber forming. a4 closure for the vessel.

2. In a'cooker, the combination offaboiler having an opening in one wall thereof, a safety valve connected with the said boiler` a door movably secured to said wallr, and closing said opening, means for filling said boilerwith water, a chamber extending into said boiler-and closed except at said opening and the wallsofwhich are securedto said boiler `wall around lsaid opening, ,and a cooking vessel movable into said chamber through said opening, lsaid vesseltting snugly within the .chamber with the wallsoffthei vessel contacting with the; chamber walls, one wall of thechamber coperatingwith the vessel to form a closure therefor.`

3...In a,cooker,.the `combination ofsa boiler having', an. openingin one.` wall thereof, `a removablef .cover for closing thevtopf lofi said boiler, Ameans forsecuring the-'cover tightly to .thetop of the boiler, a dooinmovablyi secured to said wall and closing said opening, means for supplying said boiler with awater, a chamber extending into said boiler surroundingthe opening and closed exceptat said, opening,- and a cooking vesselwmovablef into said, chamber through saidziopemng, said .vessel fitting ysnugly in `said chamber withlthesvessel walls contacting with the chamber walls. f

4. y Ini a cooker, .the combination of ,a boiler` having an opening in one wall thereof,.a doorl movably secured'tol said-.wall and closing said opening, means vfor;supplying lsaidu boiler with water, a chamben extendingi into said. boilerand surrounding.the said openingwa :cooking vesselL movable into saidy chamber througlrsaid opening, said'cookr ing vessellittingt snugly in the chamber with4 thewallsof- ,the vessel contacting -the walls' a holeefor draining liquidsf therefromh avalveffor closlng said hole, and a perforated v ofv the chamber and having] at its front end concave cover for basting the food being cooked.

5. In a cooker, the combination of a boiler embodying an open chamber and a closed surrounding Water space, a closure for the said opening, means for lling the space With Water, the Walls of the chamber being formed of metal of high thermo-conductivity, and a vessel adapted to be placed Within the said chamber and to fit snugly therein With the Walls of the vessel contacting With the Walls of the chamber one of the Walls of the chamber hermetically closing the vessel.

5 6. In a cooker, the combination of a boiler embodying an open chamber and a closed surrounding Water space, a closure for the said opening, means for filling the space with Water, the Walls of the chamber being formed of metal of high thermo-conduc tivity, a vessel adapted to be placed Within the said chamber and to lit snugly therein with the Walls of the vessel contacting With the Walls of the chamber, and a reticulated member extending across the top of the vessel.

7. In a cooker, the combination of a boiler having an opening in the side Wall thereof, a door for closing said opening, means for filling said boiler With Water, a chamber, the Walls of which are formed of metal of high thermo conductivity, extending into said boiler and surrounding said opening, and a vessel movable into and snugly ittingsaid 5 opening, said vessel being of a size to sub- Copies of this patent may be obtained for ve cents each, by addressing the Commissioner of Patents,

stantially' iill the chamber, so that the Walls of the vessel Will contact with the Walls of 8. In a cooker, the combination of a boiler having an opening in one Wall thereof, a Chamber extending into the boiler, said chamber surrounding the said opening and being closed to the interior of the boiler, means whereby Water may be supplied to the boiler exterior of the chamber, a cook ing vessel movable into the chamber through said opening, said vessel fitting snugly Witliin the chamber so that the Walls of the vessel will Contact with the chamber Walls, and a closure for the entrance opening of the said chamber.

9. In a cooker, the combination of a boiler having an opening in one Wall thereof, a chamber extending into the boiler, said chamber surrounding the said opening and being closed to the interior of the boiler, means whereby Water may be supplied to the boiler exterior of the chamber, a cooking vessel movable into the chamber through said opening, said vessel fitting snugly Within the chamber so that the Walls of the vessel Will Contact With the chamber Walls, and a door for closing the entrance opening of the chamber, said door being hingedly connected with the boiler Wall and adapted when opened to form a support for the said cooking vessel.

ALFRED M. DEMUTH.

Washington, 1l. G. 

